{
  "checker": {
    "details": {
      "argv": [
        "<host-path>",
        "-m",
        "venus_observability"
      ],
      "bytes": 3575,
      "kind": "http",
      "scope": "product operation",
      "status": 200,
      "url": "http://127.0.0.1:9090/metrics",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README 'bash scripts/ci.sh --install' failed on the bare guest because uv was absent and pip was blocked by PEP 668; installed pip/venv via apt and uv into a separate venv at <host-path>, then reran the README command successfully.",
    "Starting the daemon in .venv-ci failed with ModuleNotFoundError: No module named 'dbus' (dbus-python is a Venus OS firmware package, not on PyPI); installed apt python3-dbus and python3-gi and passed PYTHONPATH=/usr/lib/python3/dist-packages in the probe env. This matches the README's guidance to use system-site D-Bus bindings.",
    "Did not run pytest/ruff/mypy (ci.sh lint and test suites) per task instructions."
  ],
  "main_blocker": null,
  "operation": "Start the venus_observability daemon (python -m venus_observability, the runtime entry point) and GET its Prometheus /metrics endpoint on port 9090 (HTTP 200 observed).",
  "operation_scope": "Verified: dependency install via scripts/ci.sh --install, daemon start, D-Bus ItemsChanged subscription on the guest system bus, and metrics HTTP endpoint. Not verified: live Venus OS inverter data (no Victron services on this guest, so no victron_* series were checked), OTLP tracing, alert bridge, and the README's SetupHelper/Docker deployment paths.",
  "outcome": "working",
  "steps": [
    "Read README.md (Development section: bash scripts/ci.sh --install)",
    "apt-get update; apt-get install python3-pip python3-venv (sudo) for uv bootstrap",
    "python3 -m venv <host-path> && pip install uv (uv 0.13.1)",
    "uv python install 3.12.13",
    "bash scripts/ci.sh --install (created .venv-ci, installed venus-os-observability 0.1.11 editable)",
    "apt-get install python3-dbus python3-gi (sudo)",
    "PYTHONPATH=/usr/lib/python3/dist-packages PROMETHEUS_PORT=9090 .venv-ci/bin/python -m venus_observability; curl http://127.0.0.1:9090/metrics -> 200; process stopped by timeout"
  ],
  "stuck_step": null,
  "suggested_fix": null
}